from urllib.request import urlopen
import re

# html = urlopen("https://zhidao.baidu.com/question/307789914933848444.html").read().decode('gbk')
# pattern = r"([悲哀][\u4e00-\u9fa5])"
# a = re.findall(pattern, html)
# print(set(a))
ss = 'dfjoa价格待定发送到两句但是'
if len(re.findall('\d', ss)) == 0:
    print(re.findall(r'价格待定', ss))
# print(re.search(r"r[a-z]n", "dog runs to cat.She ran just now."))  # <_sre.SRE_Match object; span=(4, 7), match='run'>
# print(re.search(r"r[a-z]n", "dog runs to cat.She ran just now.").group())
# print(re.search(r"r[a-z]n", "dog runs to cat.She ran just now.").span())
# print(re.findall(r"r[a-z]n", "dog runs to cat.She ran just now."))
